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13495
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1 /* Quint - A graphical user interface for Octave |
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2 * Copyright (C) 2011 Jacob Dawid |
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3 * jacob.dawid@googlemail.com |
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4 * |
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5 * This program is free software: you can redistribute it and/or modify |
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6 * it under the terms of the GNU General Public License as published by |
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7 * the Free Software Foundation, either version 3 of the License, or |
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8 * (at your option) any later version. |
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9 * |
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10 * This program is distributed in the hope that it will be useful, |
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 * GNU General Public License for more details. |
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14 * |
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15 * You should have received a copy of the GNU General Public License |
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16 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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17 */ |
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18 |
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19 #include "FileEditorDockWidget.h" |
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20 #include <QVBoxLayout> |
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21 #include <QApplication> |
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22 #include <QFile> |
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23 #include <QFileDialog> |
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24 #include <QMessageBox> |
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25 #include <QAction> |
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26 |
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27 FileEditorDockWidget::FileEditorDockWidget(QWidget *parent) |
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28 : QDockWidget(parent) { |
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29 construct(); |
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30 } |
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31 |
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32 void FileEditorDockWidget::loadFile(QString fileName) { |
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33 m_fileName = fileName; |
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34 setWindowTitle(fileName); |
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35 m_simpleEditor->load(fileName); |
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36 } |
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37 |
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38 void FileEditorDockWidget::newFile() { |
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39 if(m_modified) { |
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40 int decision |
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41 = QMessageBox::question(this, |
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42 "Open New File", |
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43 "Do you want to save the current file?", |
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44 QMessageBox::Yes, QMessageBox::No); |
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45 |
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46 if(decision == QMessageBox::Yes) { |
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47 saveFile(); |
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48 if(m_modified) { |
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49 // If the user attempted to save the file, but it's still |
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50 // modified, then probably something went wrong, so we quit here. |
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51 return; |
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52 } |
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53 } |
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54 } |
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55 |
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56 m_fileName = "<unnamed>"; |
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57 setWindowTitle(m_fileName); |
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58 m_simpleEditor->setPlainText(""); |
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59 } |
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60 |
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61 void FileEditorDockWidget::saveFile() { |
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62 QString saveFileName = QFileDialog::getSaveFileName(this, "Save File", m_fileName); |
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63 if(saveFileName.isEmpty()) |
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64 return; |
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65 |
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66 QFile file(saveFileName); |
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67 file.open(QFile::WriteOnly); |
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68 |
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69 if(file.write(m_simpleEditor->toPlainText().toLocal8Bit()) == -1) { |
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70 QMessageBox::warning(this, |
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71 "Error Saving File", |
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72 QString("The file could not be saved: %1.").arg(file.errorString())); |
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73 } else { |
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74 m_simpleEditor->document()->setModified(false); |
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75 } |
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76 |
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77 file.close(); |
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78 } |
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79 |
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80 void FileEditorDockWidget::showToolTipNew() { |
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81 m_statusBar->showMessage("Create a new file.", 2000); |
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82 } |
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83 |
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84 void FileEditorDockWidget::showToolTipSave() { |
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85 m_statusBar->showMessage("Save the file.", 2000); |
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86 } |
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87 |
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88 void FileEditorDockWidget::showToolTipUndo() { |
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89 m_statusBar->showMessage("Revert previous changes.", 2000); |
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90 } |
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91 |
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92 void FileEditorDockWidget::showToolTipRedo() { |
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93 m_statusBar->showMessage("Append previous changes.", 2000); |
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94 } |
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95 |
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96 void FileEditorDockWidget::registerModified(bool modified) { |
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97 m_modified = modified; |
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98 } |
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99 |
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100 void FileEditorDockWidget::construct() { |
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101 QStyle *style = QApplication::style(); |
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102 setWidget(new QWidget()); |
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103 m_toolBar = new QToolBar(this); |
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104 m_simpleEditor = new SimpleEditor(this); |
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105 m_statusBar = new QStatusBar(this); |
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106 m_numberedTextView = new NumberedCodeEdit(this, m_simpleEditor); |
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107 |
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108 m_simpleEditor->setFont(QFont("Courier")); |
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109 m_simpleEditor->setLineWrapMode(QPlainTextEdit::NoWrap); |
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110 |
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111 QAction *newAction = new QAction(style->standardIcon(QStyle::SP_FileIcon), |
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112 "", m_toolBar); |
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113 QAction *saveAction = new QAction(style->standardIcon(QStyle::SP_DriveHDIcon), |
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114 "", m_toolBar); |
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115 QAction *undoAction = new QAction(style->standardIcon(QStyle::SP_ArrowLeft), |
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116 "", m_toolBar); |
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117 QAction *redoAction = new QAction(style->standardIcon(QStyle::SP_ArrowRight), |
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118 "", m_toolBar); |
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119 |
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120 m_toolBar->addAction(newAction); |
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121 m_toolBar->addAction(saveAction); |
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122 m_toolBar->addAction(undoAction); |
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123 m_toolBar->addAction(redoAction); |
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124 |
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125 QVBoxLayout *layout = new QVBoxLayout(); |
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126 layout->addWidget(m_toolBar); |
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127 layout->addWidget(m_numberedTextView); |
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128 layout->addWidget(m_statusBar); |
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129 layout->setMargin(2); |
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130 widget()->setLayout(layout); |
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131 |
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132 connect(newAction, SIGNAL(triggered()), this, SLOT(newFile())); |
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133 connect(undoAction, SIGNAL(triggered()), m_simpleEditor, SLOT(undo())); |
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134 connect(redoAction, SIGNAL(triggered()), m_simpleEditor, SLOT(redo())); |
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135 connect(saveAction, SIGNAL(triggered()), this, SLOT(saveFile())); |
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136 |
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137 connect(newAction, SIGNAL(hovered()), this, SLOT(showToolTipNew())); |
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138 connect(undoAction, SIGNAL(hovered()), this, SLOT(showToolTipUndo())); |
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139 connect(redoAction, SIGNAL(hovered()), this, SLOT(showToolTipRedo())); |
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140 connect(saveAction, SIGNAL(hovered()), this, SLOT(showToolTipSave())); |
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141 |
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142 connect(m_simpleEditor, SIGNAL(modificationChanged(bool)), this, SLOT(registerModified(bool))); |
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143 |
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144 m_fileName = ""; |
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145 setWindowTitle(m_fileName); |
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146 } |
